A walnut tree produces flowers of one sex, then the other in the same season, but trees differ in which one comes first. Individual trees are consistently "male-first" or "female-first" in ...

UC Davis graduate student Jeffrey Groh has discovered how walnut trees are able to produce flowers of different sexes at different times in the same season. The genetic mechanism is similar to sex ...

For the last couple of years, I’ve been trying to buy a walnut tree. For a long time, I thought this would be impossible. It wasn’t the expense; my savings could stretch that far. The issue ...

LAGRANGE TOWNSHIP, Mich. (WOOD) — Two people were arrested after a walnut tree worth $2,000 was stolen, deputies say. The large walnut tree that had already been cut down was reported stolen ...

The genetics behind the alternating sexes of walnut trees have been revealed by biologists at the University of California, Davis. The research, published in Science, reveals a mechanism that has ...

The genetics behind the alternating sexes of walnut trees has been revealed by biologists at the University of California, Davis. The research, published Jan. 3 in Science, reveals a mechanism ...